Mercedes W176 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1765401602

Mercedes W176 Rear Bumper PDC Wiring Parking Sensor Loom Harness is an original electrical system component designed to support the rear parking system in W176 series models. Thanks to its factory design, the harness ensures proper connection of the PDC sensors to the vehicle's electrical system, which translates into stable operation of the parking assistant and precise obstacle detection. This solution is dedicated to users who expect consistency with the factory Mercedes electrical system and wish to restore full system functionality after a repair or collision.

Specifications and technical data

• SKU: A1765401602
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1765401602
• Substitutable numbers: A1765401602, A 176 540 16 02
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented wiring harness is responsible for connecting the rear set of PDC parking sensors to the car's electrical system in the area of the rear bumper and trunk zone. Its rear vehicle placement allows for:

• transmitting signals from the sensors to the parking system control unit,
• maintaining proper communication with the body electronics,
• maintaining factory wire routing in the rear part of the vehicle.

As a result, the parking assistance system can operate in a predictable manner, without interference or errors resulting from improper wiring.

Construction and technical characteristics

The harness belongs to the Wires, harnesses and connectors group, which means it has been designed as an element integrating several connection points into one coherent system. The construction includes:

• properly distributed wire sections matched to the geometry of the rear bodywork,
• connectors prepared for cooperation with parking sensors and the vehicle's installation,
• factory terminations allowing for installation without the need to modify the wiring.

This type of solution reduces the risk of installation errors, shortens repair time, and allows for maintaining consistency with the original service documentation.

Benefits of using an original harness

Using a dedicated wiring harness in the rear part of the Mercedes W176 brings a number of practical benefits:

• Compatibility with the factory PDC system – the harness is designed for the specific electrical architecture of the vehicle.
• Stable operation of parking sensors – proper shielding and wire routing reduce signal interference.
• Simplified installation – original connectors and wire lengths allow for mounting in existing attachment points.
• Restoration of full rear parking zone functionality after bodywork repairs or bumper replacement.

For workshops and individual users, this means a more predictable service process and a lower risk of repeated interference with the installation.

Component condition and service application

The offered harness comes from the used parts group, which makes it an attractive solution for post-accident repairs, replacing damaged wiring, or restoring the efficiency of the PDC system after interference in the rear part of the body. It works particularly well where it is important to maintain the original wire routing and fitment to the factory brackets and mounts in the Mercedes.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the rear zone in your Mercedes and need other components from the same group, such as additional wiring sections, service connectors, or harnesses connecting sensors to control modules, check the available parts in the Mercedes wires, harnesses and connectors category.

For users interested in deepening their knowledge regarding the selection of assistance system components and charge air cooling in modern power units, the Global Parts service guide may be helpful – more information can be found in the article BMW B58 code – checklist before buying a turbocharger and intercooler, which discusses a practical approach to verifying part compatibility and working with OEM numbers in the context of the secondary market.